Migrated scala-core-dates module to scala 3

Author: yadavan88

build.sbt

@@ -122,6 +122,7 @@ lazy val scala_core_dates =
   (project in file("scala-core-modules/scala-core-dates"))
     .settings(
       name := "scala-core-dates",
+      scalaVersion := scala3Version,
       libraryDependencies ++= scalaTestDeps,
       libraryDependencies += "joda-time" % "joda-time" % "2.12.5",
       libraryDependencies += "com.github.nscala-time" %% "nscala-time" % "2.32.0",